18490-0828 STF2388BC

 
 
18H 48M 58.04S -08 26' 39.2" P.A. 18 SEP 21.1 MAG 10.94,11.24 SP B9V+
 
 
Coord 2000
18490-0828
Discov num
STF2388
Comp
BC
Coord arcsec 2000
18 48 58.04 -08 26 39.2
Date first
1892
Date last
2016
Obs
10
Pa first
19
Pa last
18
P.A. Now (θ)
18°
Sep first
21.6
Sep last
21.1
Sep. Now (ρ)
21.1"
Mag pri
10.94
Mag sec
11.24
delta mag (ΔM)
0.3
Spectral class
B9V+ (blue-white)
Pri motion ra
+000
Sec motion ra
-004
Pri motion dec
-010
Sec motion dec
-006
Notes
N U (See Notes, Proper motion indicates non-physical)
This double is not physical.
 
 
18490-0828 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18490-0828 HDS2666 Aa,Ab 1991 2013 2 258 0.2 8.08 9.59 1.51
Show 18490-0828 STF2388 AB 1892 2016 9 344 53.6 7.81 10.94 3.13
Show 18490-0828 ABH 105 AD 1896 2016 6 157 43.8 7.81 12.62 4.81
Show 18490-0828 ABH 105 AE 1988 2016 5 275 72.2 7.81 12.93 5.12
Show 18490-0828 STF2388 BC 1892 2016 10 18 21.1 10.94 11.24 0.30 <===
Sextuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Scutum
Tycho2
5693-03523-1
last precise pa
17.6
last precise sep
21.13